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參數(shù)資料
| 型號(hào)： | TPS77628PWPRG4 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | FAST-TRANSIENT-RESPONSE 500mA LOW-DROPOUT VOLTAGE REGULATORS |
| 中文描述： | 快速瞬態(tài)響應(yīng)500mA的低壓差電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 791K |
| 代理商： | TPS77628PWPRG4 |
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www.ti.com
FEATURES
Open Drain Power-On Reset with 200ms Delay
(TPS775xx)
Open Drain Power Good (TPS776xx)
500mA Low-Dropout Voltage Regulator
Available in Fixed Output and Adjustable
Versions
Dropout Voltage to 169mV (Typ) at 500mA
(TPS77x33)
Ultralow 85
μ
A Typical Quiescent Current
Fast Transient Response
2% Tolerance Over Specified Conditions for
Fixed-Output Versions
8-Pin SOIC and 20-Pin TSSOP PowerPAD
(PWP) Packages
Thermal Shutdown Protection
DESCRIPTION
The TPS775xx and TPS776xx devices are designed
to have a fast transient response and be stable with
a
10
μ
F
low
ESR
capacitor.
provides high performance at a reasonable cost.
APPLICATIONS
FPGA Power
DSP Core and I/O Voltages
IN
IN
EN
GND
OUT
OUT
RESET/
PG
6
7
5
16
14
13
3
+10 F
m
C
OUT
(1)
RESET/PG
V
OUT
V
IN
0.1 F
m
TPS775xx, TPS776xx
SLVS232I–SEPTEMBER 1999–REVISED AUGUST 2007
TPS775xx with RESET Output, TPS776xx with PG Output
FAST-TRANSIENT-RESPONSE 500mA LOW-DROPOUT VOLTAGE REGULATORS
This
combination
Because the PMOS device behaves as a low-value
resistor, the dropout voltage is very low (typically
169mV at an output current of 500mA for the
TPS77x33) and is directly proportional to the output
current. Additionally, since the PMOS pass element
is a voltage-driven device, the quiescent current is
very low and independent of output loading (typically
85
μ
A over the full range of output current, 0mA to
500mA).
These
two
key
significant
improvement
battery-powered systems. This LDO family also
features a sleep mode; applying a TTL high signal to
EN (enable) shuts down the regulator, reducing the
quiescent current to 1
μ
A at T
J
= +25
°
C.
The RESET output of the TPS775xx initiates a reset
in microcomputer and microprocessor systems in the
event of an undervoltage condition. An internal
comparator in the TPS775xx monitors the output
voltage of the regulator to detect an undervoltage
condition on the regulated output voltage.
specifications
in
operating
yield
life
a
for
Typical Application Circuit
(Fixed Voltage Options)
Power good (PG) of the TPS776xx is an active high
output, which can be used to implement a power-on
reset or a low-battery indicator.
The TPS775xx and TPS776xx are offered in 1.5V,
1.6V (TPS77516 only), 1.8V, 2.5V, 2.8V (TPS77628
only), and 3.3V fixed-voltage versions and in an
adjustable version (programmable over the range of
1.5V to 5.5V for the TPS77501 and 1.2V to 5.5V for
the TPS77601). Output voltage tolerance is specified
as
a
maximum
of
2%
temperature ranges. The TPS775xx and TPS776xx
families are available in 8-pin SOIC and 20-pin
TSSOP packages.
over
line,
load,
and
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 1999–2007, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS77633D | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Res 500-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS77633D | 制造商:Texas Instruments 功能描述:IC's |
| TPS77633DG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Res 500-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS77633DR | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Res 500-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS77633DRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Res 500-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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